Originally Posted by Oilyrascal
Drats, the back of the gauges did have a small box maybe 1 inch by 1/2 inch, stupid thing did not have any studs though but was instead wired into the sheet of ( what do you call it ) .......that electrical tape stuff with all the circuits running through it.
I will have to look into this further, thanks
GM called them a gauge cluster 'printed circuit' IIRC. At least that will get you understood if you look for one.
A few wiring diagrams and links to others is here